.banxin1 {
  width: 1100px;
  margin: auto;
}
.tanxin {
  display: flex;
  align-items: center;
}
.banxin2 {
  width: 981px;
  margin: auto;
}
a,
i {
  text-decoration: none;
}
ul {
  list-style: none;
}
button {
  border: 0;
  cursor: pointer;
}
.u-icon {
  background: url(../image/icon.png) no-repeat 0 9999px;
  display: inline-block;
  overflow: hidden;
  vertical-align: middle;
  margin-right: 5px;
}
